Adds support for promoting to maven central (#78)

* Adds support for promoting to maven central

scripts/deploy.sh

@@ -4,6 +4,29 @@ set -euo pipefail
 
 [[ -d "${PWD}"/maven && ! -d "${HOME}"/.m2 ]] && ln -s "${PWD}"/maven "${HOME}"/.m2
 
+function clean_gpg {
+    FINGERPRINT=$(gpg --list-keys | head -4 | tail -1 | tr -d ' ')
+    gpg --batch --yes --delete-secret-keys "$FINGERPRINT"
+    gpg --batch --yes --delete-keys "$FINGERPRINT"
+}
+
+trap clean_gpg EXIT
+gpg --batch --import-options import-show --import <(echo "$MAVEN_GPG_PRIVATE_KEY")
+
+mkdir -p ~/.m2
+cat <<EOF > ~/.m2/settings.xml
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 https://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <servers>
+    <server>
+      <id>gpg.passphrase</id>
+      <passphrase>${MAVEN_GPG_PASSPHRASE}</passphrase>
+    </server>
+  </servers>
+</settings>
+EOF
+
 REPOSITORY="${PWD}"/repository
 
 cd source